Knauth, Oswald
Columbia University Press, 1956
Buku Teks
edited by David S.G. Goodman and Gerald Segal
Routledge, 1994
Buku Teks
Chacholiades, Miltiades, author
McGraw-Hill, 1978
Buku Teks
Williams, John Henry, author
Macmillan, 1951
Buku Teks
Lowenfeld, Andreas F., author
Matthew Bender, 1983
Buku Teks